On Tuesday, Sept. 20, and Thursday, Sept. 22, 2016, a 10 to 20 minute stoppage will occur between 1:30 p.m. and 2:20 p.m. on the eastbound and westbound Dulles Greenway and eastbound and westbound Old Ox Road in the vicinity of the Dulles Greenway/Old Ox Road interchange. Police will be present for safety.

On or about Friday, Sept. 23, at 10 p.m. and continuing until Saturday, Sept. 24, at 8 a.m., and from Saturday, Sept. 24, at 10 p.m. and continuing until Sunday, Sept. 25, at 8 a.m., the eastbound Dulles Greenway will be detoured to Exit 8A (Old Ox Road east/Route 606). Follow detour signs along eastbound Old Ox Road and Route 28 south to Dulles International Airport or the Dulles Toll Road. Police will be present for safety.

On or about the weekend of Sept. 24 - 25 (starting at midnight Friday, Sept. 23, and continuing until Sunday, Sept. 25, at 6 p.m.) all traffic on the eastbound Dulles International Airport Access Highway (DIAAH) will be diverted to the left lane of Dulles Toll Road (DTR) at mile marker 1.8 and will re-enter the DIAAH at mile marker 2.3. Police will be present for safety.

Drivers are asked to use caution remain attentive to all signage, barricades and speed limits, and obey all police and flagger instructions.

See below for more detailed information. All work is weather permitting.

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Dulles Toll Road East

When: Friday, Sept. 23, at midnight - Sunday, Sept. 25 at 6 p.m.

What: Two left lanes closed

Where: From mile marker 1.0 to 2.5 (from 2/10 mile before the Route 28 overpass to the Centreville Road bridge)

Where: From the ramp from the westbound DIAAH to Ariane Way/Blue Lot access road. Ramp to the Green Lot will be closed from 8 p.m. to 4 a.m. Traffic will be directed to use next entrance to Economy Parking.